Finding the Fourth Proportional to 22,505.33, 31,054.69 and 12,433.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,505.33 : 31,054.69 = 12,433.16 : x
2. Step 2: Convert to fraction form
   22,505.33/31,054.69 = 12,433.16/x
3. Step 3: Cross multiply
   22,505.33x = 31,054.69 × 12,433.16
4. Step 4: Simplify right side
   22,505.33x = 386,107,929.52
5. Step 5: Solve for x
   x = 386,107,929.52/22,505.33
6. Step 6: Final answer
   x = 17,156.29